The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 29, 2014

Filed:

May. 02, 2011
Applicants:

Yusuke Oohashi, Sapporo, JP;

Daisuke Sakaki, Sapporo, JP;

Yohei Ando, Okazaki, JP;

Inventors:

Yusuke Oohashi, Sapporo, JP;

Daisuke Sakaki, Sapporo, JP;

Yohei Ando, Okazaki, JP;

Assignee:

Aisin Aw Co., Ltd., Anjo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 17/38 (2006.01); G01C 22/00 (2006.01); G01C 21/16 (2006.01); G01C 21/30 (2006.01);
U.S. Cl.
CPC ...
G01C 21/165 (2013.01); G01C 21/30 (2013.01);
Abstract

Track information generating devices, methods, and programs acquire a self-contained navigation track of a vehicle indicated by time-series pieces of self-contained navigation information, acquire a matching track of the vehicle indicated by time-series pieces of information determined through a map matching process is determined as a road the vehicle is traveling, and acquire a degree of reliability of the matching track. The devices, methods, and programs acquire a GPS track that is a track of the vehicle indicated by time-series pieces of GPS information, acquire a degree of reliability of the GPS track, and set the one of the GPS track and the matching track having a higher degree of reliability as a correction target track to correct the self-contained navigation information so as to reduce a difference between the self-contained navigation track and the correction target track.


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